/* reset.css */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  
  html, body {
    height: 100%;
    margin: 0;
    padding: 0;
    font-family: 'Helvetica Neue', Helvetica, 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans-serif;
  }
  
  /* 如果您想要更完整的CSS重置，可以考虑使用normalize.css或以下更全面的重置 */
  ul, ol {
    list-style: none;
  }
  
  a {
    text-decoration: none;
  }
  
  img {
    border: none;
    vertical-align: middle;
  }
  
  button, input, select, textarea {
    outline: none;
  }
  
  table {
    border-collapse: collapse;
    border-spacing: 0;
  }